If the 1011^ th term from the end in the binomial expansion of ( 4x 5 - 5 2x )^ 2022 is 1024 times 1011^ th term from the beginning, then |x| is equal to

JEE Main 2023 Mathematics question

If the term from the end in the binomial expansion of is 1024 times term from the beginning, then |x| is equal to

(A)15
(B)10Correct
(C)12
(D)8

Answer: (B)

Solution

TOPIC NOT IN SYLLABUS: the source's own working derives the relation by equating consecutive binomial-coefficient and term ratios, and adds a note that the exact numeric match to one of the four printed options depends on

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Question ID VK-035981